Finding the Fourth Proportional to 124,543.68, 171,865.68 and 67,953.84
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Solution
The fourth proportional to 124,543.68, 171,865.68 and 67,953.84 is: 93,773.79
Step by Step Solution
- Step 1: Write the proportion equation
124,543.68 : 171,865.68 = 67,953.84 : x - Step 2: Convert to fraction form
124,543.68/171,865.68 = 67,953.84/x - Step 3: Cross multiply
124,543.68x = 171,865.68 × 67,953.84 - Step 4: Simplify right side
124,543.68x = 11,678,932,920.21 - Step 5: Solve for x
x = 11,678,932,920.21/124,543.68 - Step 6: Final answer
x = 93,773.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.